A Sparse Representation of High-Dimensional Input Spaces Based on an Augmented Growing Neural Gas.
Jochen KerdelsGabriele PetersPublished in: GCAI (2016)
Keyphrases
- sparse representation
- growing neural gas
- sparse coding
- high dimensional
- high dimensional data
- dimensionality reduction
- dictionary learning
- image classification
- reconstruction error
- neural gas
- face recognition
- low dimensional
- image patches
- neural network model
- signal processing
- self organizing maps
- image representation
- object tracking
- nearest neighbor
- neural network
- input data
- similarity search
- natural images
- data points
- feature vectors
- feature space
- topology preserving
- data sets
- image features
- test images
- cluster analysis
- artificial neural networks
- data analysis
- delaunay triangulation
- data mining